noun
absolute pathname
Computing term for a full file or directory path starting from the root, as opposed to a relative path.
絶対パス名でファイルを指定してください。
Please specify the file using an absolute pathname.
相対パス名 is a relative pathname, specified relative to the current working directory, while 絶対パス名 is an absolute pathname from the root.
Compound of 絶対 (absolute) and パス名 (pathname), a direct translation of the English computing term.